pub enum ArityExpect {
Exact(usize),
Range {
min: usize,
max: usize,
},
AtLeast(usize),
}Expand description
Bound expressing how many arguments a callable accepts. Used in
VmError::ArityMismatch so error messages can render the exact
signature contract the caller violated.
Variants§
Exact(usize)
Exactly N parameters, no defaults, no rest.
Range
min..=max: some params have defaults but the upper bound is fixed.
AtLeast(usize)
At least N parameters; further args land in a rest list. Used for
print / log / variadics.
Trait Implementations§
Source§impl Clone for ArityExpect
impl Clone for ArityExpect
Source§fn clone(&self) -> ArityExpect
fn clone(&self) -> ArityExpect
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source. Read moreSource§impl Debug for ArityExpect
impl Debug for ArityExpect
Source§impl Display for ArityExpect
impl Display for ArityExpect
Source§impl PartialEq for ArityExpect
impl PartialEq for ArityExpect
Source§fn eq(&self, other: &ArityExpect) -> bool
fn eq(&self, other: &ArityExpect) -> bool
self and other values to be equal, and is used by ==.impl Copy for ArityExpect
impl Eq for ArityExpect
impl StructuralPartialEq for ArityExpect
Auto Trait Implementations§
impl Freeze for ArityExpect
impl RefUnwindSafe for ArityExpect
impl Send for ArityExpect
impl Sync for ArityExpect
impl Unpin for ArityExpect
impl UnsafeUnpin for ArityExpect
impl UnwindSafe for ArityExpect
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